package lab04.test04;

/**
 * Created by dell on 2017/12/20.
 */
public class Test1 extends Thread{
    public void run(){
        while (true){
            try {
                Thread.sleep(1200);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            for (int i=5;i>0;i--){
                System.out.println(i);
            }
        }
    }

}
